. Carnegie Institution of Washington publication. . Figs. 407 AND 408.—Echmatemys haydeni. Carapace and plastron. X \- No. 3043 A. H. 40^. Carapace. 408. Plastron. free border is acute on the hyoplastrals, but becomes thickened and subacute and finally rounded near the lip. The latter is 63 mm. wTide. This has the appearance of having been cut off square in front, with a short, blunt tooth on each side. On tbe upper side (fig. 409), from the acute free border of the lip, the bone thickens backward a distance of 25 mm., where the thickness is 14 mm. The width of the horn-covered surface at
. Carnegie Institution of Washington publication. . Figs. 407 AND 408.—Echmatemys haydeni. Carapace and plastron. X \- No. 3043 A. H. 40^. Carapace. 408. Plastron. free border is acute on the hyoplastrals, but becomes thickened and subacute and finally rounded near the lip. The latter is 63 mm. wTide. This has the appearance of having been cut off square in front, with a short, blunt tooth on each side. On tbe upper side (fig. 409), from the acute free border of the lip, the bone thickens backward a distance of 25 mm., where the thickness is 14 mm. The width of the horn-covered surface at the union of the epiplastral and hyoplastral bones is 22 mm. The entoplastron has a length of 66 mm. and a width of 75 mm. The bridge is 148 mm. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Carnegie Institution of Washington. Washington, Carnegie Institution of Washington
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